From: nobu@...
Date: 2015-07-28T07:34:50+00:00
Subject: [ruby-core:70142] [Ruby trunk - Feature #11398] [Open] deprecate	constants

Issue #11398 has been reported by Nobuyoshi Nakada.

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Feature #11398: deprecate constants
https://bugs.ruby-lang.org/issues/11398

* Author: Nobuyoshi Nakada
* Status: Open
* Priority: Normal
* Assignee: 
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Sometimes old constants are deprecated but still remained for backward compatibilities.
It is not noticed and will be kept forever, with no warnings, though.
So I propose a method `Module#deprecate_constant` to mark a constant obsolete and emit a warning message when it is referred. 

https://github.com/nobu/ruby/tree/Module%23deprecate_constant



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